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PeproTech 100-3 Recombinant Human Heregulinβ-1

PeproTech產(chǎn)品涵蓋免疫調(diào)節(jié)蛋白、白介素、集落刺激因子、生長(zhǎng)因子、化學(xué)趨化因子、干擾素、脂聯(lián)素、成纖維生長(zhǎng)因子、轉(zhuǎn)化生長(zhǎng)因子、腫瘤壞死因子、神經(jīng)營(yíng)養(yǎng)素和防御素等諸多生命科學(xué)研究領(lǐng)域中重要的生物活性分子。

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產(chǎn)品描述/PERFORMANCE

試劑盒_meitu_1

Neuregulin/Heregulin is a family of structurally-related polypeptide growth factors derived from alternatively spliced genes (NRG1, NRG2, NRG3 and NRG4). To date, there are over 14 soluble and transmembrane proteins derived from the NRG1 gene. Proteolytic processing of the extracellular domain of the transmembrane NRG1 isoforms releases soluble growth factors. HRG1-β1 contains an Ig domain and an EGF-like domain; the latter is necessary for direct binding to receptor tyrosine kinases erb3 and erb4. This binding induces erb3 and erb4 heterodimerization with erb2, stimulating intrinsic kinase activity that leads to tyrosine phosphorylation. Although HRG1-β1's biological effects are still unclear, it has been found to promote motility and invasiveness of breast cancer cells, which may also involve up-regulation of expression and function of the autocrine motility-promoting factor (AMF). Recombinant Human Heregulinβ-1 (HRG1-B1) is a 7.5 kDa polypeptide consisting of only the EGF domain of heregulinβ-1 (65 amino acid residues).

應(yīng)用環(huán)境/ ENVIRONMENT

細(xì)胞凋亡、免疫系統(tǒng)、神經(jīng)生物學(xué)等相關(guān)領(lǐng)域

產(chǎn)品說明/ INSTRUCTION

Cat.NO: 100-3

Source:

E.coli
Synonyms:
Neuregulin1 (NRG1-β1), Neu differentiation factor (rat), HRG, HRG1-β1, Breast cancer cell differentiation factor p45, ARIA (Acetylcholine, Receptor Inducing Activity), glial growth factor
AA Sequence:
SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCPNEF TGDRCQNYVM ASFYKHLGIE FMEAE
Purity:
≥ 98% by SDS-PAGE gel and HPLC analyses.
Biological Activity:
The ED50 was determined by the dose-dependent stimulation of the proliferation of human MCF-7 cells is ≤ 0.5 ng/ml, corresponding to a specific activity of ≥ 2 x 106 units/mg.
Calculated Molecular Weight:
7.5 kDa
Accession Number:
Q02297
Gene ID:
3084
crossreactivity:
Dog, Human, Mouse, Rat
Country Of Origin: USA
Not for human use.

產(chǎn)品參數(shù)/ PARAMETER

10μg

50μg

100μg

250μg

500μg

1mg

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